@qrvey/formula-lang/dist/module/functions/power.js

QFormula support for qrvey projects

import { AST_PRIMITIVES } from '../constants';
import { isNumberParam } from '../utils';
import { isAValidPower } from '../utils/isAValidPower';
/**
 * `POWER` Returns the value of the first argument raised to the power of the second argument.
 */
export const POWER = {
    identifier: 'POWER',
    parameters: [
        {
            identifier: 'NUM_1',
            optional: false,
            expectedPrimitive: AST_PRIMITIVES.NUMBER,
            validator: [isNumberParam],
        },
        {
            identifier: 'NUM_2',
            optional: false,
            expectedPrimitive: AST_PRIMITIVES.NUMBER,
            validator: [isNumberParam, isAValidPower],
        },
    ],
    transpiler: {
        elasticsearch,
        snowflake,
        redshift,
        postgresql,
    },
    primitiveResult: AST_PRIMITIVES.NUMBER,
};
function elasticsearch(value, numberToRaise) {
    return `POWER(${value}, ${numberToRaise})`;
}
function SQL(value, numberToRaise) {
    return `
    (CASE
        WHEN (${numberToRaise} IS NULL OR ${value} IS NULL) OR (${value} = 0 AND ${numberToRaise} < 0) THEN null
        ELSE POWER(${value}, ${numberToRaise})
    END)`.trim();
}
function snowflake(value, numberToRaise) {
    return SQL(value, numberToRaise);
}
function redshift(value, numberToRaise) {
    return SQL(value, numberToRaise);
}
function postgresql(value, numberToRaise) {
    return SQL(value, numberToRaise);
}
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